Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 + 76 by rounding each number to the nearest 10: ______
- Estimate 56 + 87 by rounding each number to the nearest 10: ______
- Estimate 46 − 77 by rounding each number to the nearest 10: ______
- Estimate 64 + 70 by rounding each number to the nearest 10: ______
- Estimate 38 − 38 by rounding each number to the nearest 10: ______
- Estimate 74 − 36 by rounding each number to the nearest 10: ______
- Estimate 37 + 77 by rounding each number to the nearest 10: ______
- Estimate 78 + 56 by rounding each number to the nearest 10: ______
- Estimate 37 − 86 by rounding each number to the nearest 10: ______
- Estimate 60 − 64 by rounding each number to the nearest 10: ______
- Estimate 85 − 73 by rounding each number to the nearest 10: ______
- Estimate 23 + 42 by rounding each number to the nearest 10: ______
- Estimate 86 + 89 by rounding each number to the nearest 10: ______
- Estimate 87 − 65 by rounding each number to the nearest 10: ______
- Estimate 57 − 39 by rounding each number to the nearest 10: ______
- Estimate 56 − 67 by rounding each number to the nearest 10: ______
- Estimate 26 + 25 by rounding each number to the nearest 10: ______
- Estimate 38 − 81 by rounding each number to the nearest 10: ______
- Estimate 25 − 53 by rounding each number to the nearest 10: ______
- Estimate 36 − 43 by rounding each number to the nearest 10: ______